The instrument for lens insertion inside eye which can do the extrusion operation of the lens securely and safely with a simpler constitution is offered. Instrument 1 for lens insertion inside eye the lens installation section the movement section has with the lens extrusion mechanism 4 which pushes out the lens 2 which is installed in the substance 3 which consists of the nozzle section 11 which discharges 12 which makes 8 which installs the lens 2 which provides the loop section 2b of pair for optical department 2a and the aforementioned lens deform 2 and the aforementioned lens 2 and the aforementioned lens installation section 8, the aforementioned lens extrusion mechanism 4, compared to the plunger consists of with the slider 15 which possesses bigger lens this connection section 16 which pushes out lens 2 and the said plunger 16 20. The aforementioned slider 15 has the function part 23 which is extended outside the description above itself 3.より簡単な構成で確実かつ安全にレンズの押し出し操作を行うことができる眼内レンズ挿入用器具を提供する。眼内レンズ挿入用器具1は、光学部2aに一対のループ部2bを備えたレンズ2を設置するレンズ設置部8と前記レンズ2を変形させる移行部12と前記レンズ2を放出するノズル部11とからなる本体3と、前記レンズ設置部8に設置されたレンズ2を押し出すレンズ押出機構4とを備え、前記レンズ押出機構4は、レンズ2を押し出すプランジャー16と、該プランジャー16より大きなレンズ当接部20を有するスライダー15とからなる。前記スライダー15は、前記本体3の外側に突出した操作部23を備える。